Gas or other cooking oven



July 7, 1925.

c. DE v. GRANT GAS OR OTHER COOKING OVEN Filed Feb. 27, 1924 FIG. 2.

Patented July 7, 1925. Q

"UNIITEIIDSTATES P TENT oFFicE.

CHARLES Di: .VERE-GRANT', OF LONDON, ENGLAND, ASSIGNOR- O15v ONE-HALF TOSIR WILLIAM WILLOUGHBY WILLIAMS, OF LONDON, ENGLAND. V

GAS on OTHER comma oven.

Application filed'Februa'ry 27, 1924. Serial m; '9-5,440.- V

T0 all whom it may concern:

Be it known that 1, CHARLES D1 3 Ynnn Gnanna subject of the King ofGreat Brit ain, residing at London, England (whose post-ofiice addressis 27 Coram Street Bruns- I show. by way of example'a construction, of

wickSquare London, W. C. 1, England), have invented certain new anduseful Improvements in or Relating toGas or Other Cooking Ovens; and'Ido hereby declare the following to be a full, clear, and exactdescription oftlie invention, such as will enable others skilled in theart to which it 1 appertains to make'and use the same.

\Vhen baking meat in ordinary gas ovens, there is atendency for the meatto dry and shrivel up, whereas if aqueous vapour at a high teinperatureis present in the oven the same qualities are present as produced byroasting in front of a fire, that is to say meat baked under suchconditions possesses the full flavour of fire-roasted meat without theloss of weight and plumpness which arises when cooking is effected in anordinary gas oven.

According to the invention there is provided a device or appliancewhereby dry steam is delivered into a gas or other oven of the'kindemployed for baking meat and other usual cooking operations during acookingoperation. The said device or appliance is constituted by a steamgenerator in the form of a small vessel arranged, or adapted to bearranged, in a gas oven in such position as to be heated by the gas, thesaid vessel being formed or provided with a chamber or compartmentformed in one with or fixed to the steam generator and extendinglongitudinally thereof in which chamber or compartment the steam isdried or superheated before admission into the oven.

Conveniently the generator is'a small vessel of cast metal and withadvantage is so mounted, as to be adjustable in position within theoven. For the purpose of such adjustment the vessel may be mounted toslide on rods that extend across the oven and such rods may be fixed attheir ends into metal plates whereby they are supported say just abovecertain of the gas jets so that the plates become heated and the heat istransmitted through the rods to the generator vessel.

It is also convenient to make the vessel removable and to provide acradle therefor Fig. 3;

' mounted to slide. on the rods andthe said rods may be telescopic orotherwise adjust able in length so that thedevice can be adapted to fitovens of various sizes.

The accompanying illustrative drawings meansfem'bodying the invention.

Figsfl and 2 show the steam generator in front and end elevationrespectively.

porting-rods. Fig, isa plan of the parts shown-in 1n the exampleillustrated the generator 1 is made of cast aluminium or other metal,

of the cross" section shownin Fig.2. The vessel l-is provided at its topwith a steam drying or superheating chamber or compartment 2 formed inone with or fixed to the vessel 1 and extending longitudinally thereof.The chamber 2 is in free communication, through a small hole 3, with themain or water compartment of the vessel 1. 4 indicates ajsmall hole ornozzle through which the dried or superheated steam can flow into theoven, and 5 indicates a relief valve combined with a screw cap thatcloses a hole formed in the top of the vessel 1 through which the vesselmay be supplied with water Fixed to the sides of the vessel 1 arehooklike flanges 6 whereby the .vesselrmay be supported on rods 7 thatextend across the oven. The vessel 1 may be readily moved along the saidrods to any desired position and to reduce the friction of the flanges 6on the rods 7 when moving the vessel along the same, the said flangesare formed with downwardly pressed'portions 8 that give point contact onthe rods. 7

The supporting rods 7, see Figs 3 and 4, are fixed at their ends inmetal plates 9 adapted to rest on the usual protecting webs so that thedevice can be fitted to gas ovens of various sizes, the rods 7 arearranged to telescope one with the other. A screw or other suitabledevice may be arranged to prevent relative sliding of the rods .afteradjustmenti In use, the rods 7 areplaced in position 1 near the front ofthe oven and the vessel 1, charged with water is placed thereon adjacentto one side of the oventwherejt quickly gets heated by the gas flames.When steam is being generated freely the vessel 1 may bemoved away fromthe side of'the oven to a more. or. lesscentral position on the rods 7As; the steam issuing from the vessel 1' is superheated it-is notvisible but by placinga knife blade or other body opposite the hole orIIQZZlGJi steamplaying thereon will at once condensesothat in this wayit is easy to ascertain whether or not the-apparatus, is workingefiiciently.

details of construction without 7 from the invention.

What I claim is 1. A boiler comprising a vessel for water anda steamsuperheating chamber communicating'with it andprovided with a steam jetopening, and means for supporting the boiler in a cooking oven.

2. A boiler comprising a vessel for water and a steam superheatingchamber communicating with it and provided with asteam jet opening, anda horizontal support on which the said boiler is slidable, said supportbeing adapted to sustain. the boiler in a cooking oven.

3-. A; boiler. provided with a steam jet outlet opening and havinglaterally projecting lugs on its sides,- and means for supporting theboiler in a cooking oven com-v prisingfalpair of parallel rods spacedapart to straddle the boiler under the saidlugs departure andhavingtheir ends secured to two heat ing platesadapted to rest on projectionsin the oven over the gas burner tubes bywhich it is heated.

In. testimony whereof I aflix my signature.

CHARLES a van-E GRANT;

